英语词典化工词典

5H-Dibenz[b,f]azepine-5-propanamine,10,11-dihydro-N,N-dimethyl-

5H-Dibenz[b,f]azepine-5-propanamine,10,11-dihydro-N,N-dimethyl-


  • 中文别名:米帕明
  • 中文释义:米帕明;丙咪嗪;丙米嗪
  • 英文别名:imipramine;
    Nelipramin;
    [14C]-Imipramine;
    3-(5,6-dihydrobenzo[b][1]benzazepin-11-yl)-N,N-dimethylpropan-1-amine;
    Dimipressin;
    Imidobenzyle;
    Melipramine;
    Berkomine;
    3-(10,11-Dihydro-5H-dibenzo[b,f]azepin-5-yl)-N,N-dimethylpropan-1-amine;
    Melipramin;
    Intalpram;
    Antideprin;
    Tofranil;
    [3H]-Imipramine 
  • CAS No.:50-49-7
  • 分子式:

    C19H24N2

  • 分子量:280.41
  • 精确分子量:280.19400
  • PSA:6.48000
  • InChI:The Key: BCGWQEUPMDMJNV-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.041g/cm3
沸点:
403.1ºC at 760mmHg
闪点:
179.7ºC
折射率:
1.574
存储条件/存储方法:

本品密封避光干燥保存。

其它信息:

1. 性状:常用其盐酸盐。为白色结晶性粉末

2. 密度(g/mL,25/4℃):未确定

3. 相对蒸汽密度(g/mL,空气=1):未确定

4. 熔点(ºC):未确定

5. 沸点(ºC,常压):未确定

6. 沸点(ºC, 5.2 kPa):未确定

7. 折射率:未确定

8. 闪点(ºC):未确定

9. 比旋光度(º):未确定

10. 自燃点或引燃温度(ºC):未确定

11. 蒸气压(kPa,25 ºC):未确定

12. 饱和蒸气压(kPa,60 ºC):未确定

13. 燃烧热(KJ/mol):未确定

14. 临界温度(ºC):未确定

15. 临界压力(KPa):未确定

16. 油水(辛醇/水)分配系数的对数值:未确定

17. 爆炸上限(%,V/V):未确定

18. 爆炸下限(%,V/V):未确定

19. 溶解性:易溶于水,遇水渐变黄红色

安全信息

密度:
1.041g/cm3
沸点:
403.1ºC at 760mmHg
闪点:
179.7ºC
折射率:
1.574
存储条件/存储方法:

本品密封避光干燥保存。

其它信息:

1. 性状:常用其盐酸盐。为白色结晶性粉末

2. 密度(g/mL,25/4℃):未确定

3. 相对蒸汽密度(g/mL,空气=1):未确定

4. 熔点(ºC):未确定

5. 沸点(ºC,常压):未确定

6. 沸点(ºC, 5.2 kPa):未确定

7. 折射率:未确定

8. 闪点(ºC):未确定

9. 比旋光度(º):未确定

10. 自燃点或引燃温度(ºC):未确定

11. 蒸气压(kPa,25 ºC):未确定

12. 饱和蒸气压(kPa,60 ºC):未确定

13. 燃烧热(KJ/mol):未确定

14. 临界温度(ºC):未确定

15. 临界压力(KPa):未确定

16. 油水(辛醇/水)分配系数的对数值:未确定

17. 爆炸上限(%,V/V):未确定

18. 爆炸下限(%,V/V):未确定

19. 溶解性:易溶于水,遇水渐变黄红色

毒理性

CHEMICAL IDENTIFICATION

RTECS NUMBER :
HO1575000
CHEMICAL NAME :
5H-Dibenz(b,f)azepine, 5-(3-(dimethylamino)propyl)-10,11-dihydro-
CAS REGISTRY NUMBER :
50-49-7
BEILSTEIN REFERENCE NO. :
0256892
LAST UPDATED :
199712
DATA ITEMS CITED :
62
MOLECULAR FORMULA :
C19-H24-N2
MOLECULAR WEIGHT :
280.45
WISWESSER LINE NOTATION :
T C676 BN&T&J B3N1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
71428 ug/kg/10D-I
TOXIC EFFECTS :
Behavioral - rigidity (including catalepsy) Skin and Appendages - sweating Nutritional and Gross Metabolic - body temperature increase
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - woman
DOSE/DURATION :
150 mg/kg
TOXIC EFFECTS :
Behavioral - coma Cardiac - other changes Vascular - BP lowering not characterized in autonomic section
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
71 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Cardiac - change in rate Endocrine - changes in luteinizing hormone
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - woman
DOSE/DURATION :
2 mg/kg/1D
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
30 mg/kg
TOXIC EFFECTS :
Behavioral - hallucinations, distorted perceptions Behavioral - changes in motor activity (specific assay) Behavioral - coma
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - child
DOSE/DURATION :
40 mg/kg
TOXIC EFFECTS :
Behavioral - hallucinations, distorted perceptions Behavioral - changes in motor activity (specific assay) Behavioral - coma
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - woman
DOSE/DURATION :
3 mg/kg/32H-I
TOXIC EFFECTS :
Skin and Appendages - photosensitivity (after systemic exposure)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - child
DOSE/DURATION :
30 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - changes in motor activity (specific assay) Behavioral - ataxia
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - child
DOSE/DURATION :
35 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Cardiac - other changes Lungs, Thorax, or Respiration - dyspnea
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human
DOSE/DURATION :
450 mg/kg
TOXIC EFFECTS :
Skin and Appendages - dermatitis, irritative (after systemic exposure)
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human
DOSE/DURATION :
40 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
5357 ug/kg/5D-I
TOXIC EFFECTS :
Behavioral - altered sleep time (including change in righting reflex) Behavioral - changes in REM sleep (human)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
8 mg/kg/3D-I
TOXIC EFFECTS :
Behavioral - excitement
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
250 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - ptosis Behavioral - changes in motor activity (specific assay) Nutritional and Gross Metabolic - body temperature decrease
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
79 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
250 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
9300 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
188 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - ptosis Behavioral - changes in motor activity (specific assay) Nutritional and Gross Metabolic - body temperature decrease
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
51600 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
195 ug/kg
TOXIC EFFECTS :
Behavioral - wakefulness Nutritional and Gross Metabolic - body temperature increase
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
21 mg/kg
TOXIC EFFECTS :
Autonomic Nervous System - parasympatholytic Behavioral - wakefulness Behavioral - changes in motor activity (specific assay)
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
107 mg/kg
TOXIC EFFECTS :
Autonomic Nervous System - smooth muscle relaxant (mechanism undefined, spasmolytic)
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
45 mg/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - respiratory depression
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
20 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
385 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
18 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
350 mg/kg
TOXIC EFFECTS :
Behavioral - anticonvulsant
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
455 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3600 mg/kg/4W-I
TOXIC EFFECTS :
Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
5760 mg/kg/22W-I
TOXIC EFFECTS :
Cardiac - EKG changes not diagnostic of specified effects Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
75 mg/kg
SEX/DURATION :
female 9-14 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
600 mg/kg
SEX/DURATION :
male 60 day(s) pre-mating female 60 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth) Reproductive - Effects on Newborn - weaning or lactation index (e.g., # alive at weaning per # alive at day 4)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
378 mg/kg
SEX/DURATION :
lactating female 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain) Reproductive - Effects on Newborn - behavioral Reproductive - Effects on Newborn - physical
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
165 mg/kg
SEX/DURATION :
female 14 day(s) pre-mating female 1-19 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - stillbirth Reproductive - Effects on Newborn - live birth index (measured after birth) Reproductive - Effects on Newborn - weaning or lactation index (e.g., # alive at weaning per # alive at day 4)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
40 mg/kg
SEX/DURATION :
female 14-21 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - behavioral
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
210 mg/kg
SEX/DURATION :
female 21 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - menstrual cycle changes or disorders
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
40 mg/kg
SEX/DURATION :
female 18-21 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - biochemical and metabolic
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
130 mg/kg
SEX/DURATION :
female 8-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Specific Developmental Abnormalities - cardiovascular (circulatory) system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
65 mg/kg
SEX/DURATION :
female 8-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - behavioral
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
175 mg/kg
SEX/DURATION :
female 7-13 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
87500 ug/kg
SEX/DURATION :
female 7-13 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
188 mg/kg
SEX/DURATION :
male 5 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraplacental
DOSE :
80 ug/kg
SEX/DURATION :
female 11 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetal death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraplacental
DOSE :
80 ug/kg
SEX/DURATION :
female 15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - other developmental abnormalities
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
390 mg/kg
SEX/DURATION :
female 6-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
55 mg/kg
SEX/DURATION :
female 6-16 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetal death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
255 mg/kg
SEX/DURATION :
female 1-17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
DNA inhibition
TYPE OF TEST :
Cytogenetic analysis
TYPE OF TEST :
Micronucleus test

MUTATION DATA

TEST SYSTEM :
Rodent - mouse
DOSE/DURATION :
188 mg/kg/5D (Intermittent)
REFERENCE :
IMSCE2 IRCS Medical Science. (Lancaster, UK) V.12-14, 1984-86. For publisher information, see MSCREJ. Volume(issue)/page/year: 14,1129,1986 *** REVIEWS *** TOXICOLOGY REVIEW DICPBB Drug Intelligence and Clinical Pharmacy. (POB 42435, Cincinnati, OH 45242) V.3- 1969- Volume(issue)/page/year: 8,690,1974 TOXICOLOGY REVIEW CRTXB2 CRC Critical Reviews in Toxicology. (CRC Press, Inc., 2000 Corporate Blvd., NW, Boca Raton, FL 33431) V.1- 1971- Volume(issue)/page/year: 1(1),93,1971 TOXICOLOGY REVIEW CLCHAU Clinical Chemistry (Winston-Salem, NC). (American Assoc. for Clinical Chemistry, 1725 K St., NW, Washington, DC 20006) V.1- 1955- Volume(issue)/page/year: 19,361,1973 TOXICOLOGY REVIEW ARVPAX Annual Review of Pharmacology. (Palo Alto, CA) V.1-15, 1961-75. For publisher information, see ARPTDI. Volume(issue)/page/year: 5,447,1965 TOXICOLOGY REVIEW ADVPA3 Advances in Pharmacology. (New York, NY) V.1-6, 1962-68. For publisher information, see AVPCAQ. Volume(issue)/page/year: 4,263,1966 TOXICOLOGY REVIEW FNSCA6 Forensic Science. (Lausanne, Switzerland) V.1-11, 1972-78. For pub lisher information, see FSINDR. Volume(issue)/page/year: 2,67,1973 TOXICOLOGY REVIEW CTOXAO Clinical Toxicology. (New York, NY) V.1-18, 1968-81. For publisher information, see JTCTDW. Volume(issue)/page/year: 2,403,1969 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4727 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 103 (estimated) No. of Female Employees: 52 (estimated)

海关数据

中国海关编码:2933990090

概述:
2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素:
品名, 成分含量, 用途, 乌洛托品请注明外观, 6-己内酰胺请注明外观, 签约日期
摘要/Summary:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

分子结构与计算化学数据

分子结构数据

1、 摩尔折射率:88.92

2、 摩尔体积(cm3/mol):269.2

3、 等张比容(90.2K):677.5

4、 表面张力(dyne/cm):40.1

5、 极化率(10-24cm3):35.25

计算化学数据

1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:0

3.氢键受体数量:2

4.可旋转化学键数量:4

5.互变异构体数量:无

6.拓扑分子极性表面积6.5

7.重原子数量:21

8.表面电荷:0

9.复杂度:291

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

热门化工词典词汇